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B = f-(r/z) // - f-(r/z)
B-f+r/z = 0
B-f+r*z^-1 = 0
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x in (-oo:+oo)
| a=20-2x | | 8x+6-5x=2x-3 | | 1/6x+2/3-2/15=4/3x+1/5 | | 6x+11=180 | | z+(3.19)=5.83 | | 5(2y-6)=4y-7 | | 4g+3h+g+2h= | | 6+a= | | Y=5x(4) | | 2-4x=5x-16 | | -4x+8=4(2x-2)-2(-16+8x) | | 2A+B^2=4 | | 8n-(5n+4)=8 | | W/11=W+24/3 | | -52+x=-2x+20 | | 4/7x=200 | | 3x+2x=5(x+10) | | (y-5)-(y+3)=6y | | -110=-53-x | | 7.3-0.7x=3.8 | | 4+(3-7)=y+2 | | 7.81=7.98+y | | 7z=35 | | 5+x/0.50=11.50 | | 30x+10-4x=62 | | 6(-3v+1)=5(3+2q) | | x^4-12x^2+4x+15=0 | | 5+x/50 | | 4/5=9/10b+1/5 | | 9g+3.83=45.50 | | -11x-77=99-3x | | 3(2y-8)=4y-7 |